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Cryptanalysis of Some Protocols Using Matrices over Group Rings

  • Mohammad EftekhariEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10239)

Abstract

We address a cryptanalysis of two protocols based on the supposed difficulty of discrete logarithm problem on (semi) groups of matrices over a group ring. We can find the secret key and break entirely the protocols.

Keywords

Key exchange Symmetric groups Representation of algebras 

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.LAMFA, CNRS UMR 7352, Université de Picardie – Jules VerneAmiensFrance

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